This was yesterday, and he needed a teleprompter to answer a simple question; plus, he lacked the mental self-awareness to realize that you cannot tell the folks to lift up the teleprompter so you can 't read it--while on the air.
But, of course, what choice did he have---maybe tell the Corn Pop Story again.
But, he did not only appear mentally disabled in that video---he looked sick or exhausted, and they canceled all public appearances for today--the kick-off of the Campaign Season, where Trump gave speeches in both Florida and North Carolina.
The Democrats running this Farce know Biden's condition, and they are committing a Fraud on the American People.